// Copyright (c) Appeon
// The following has been modified by Appeon under compliance with the Apache 2.0 license from the original work

// Copyright(c) 2002-2019, Npgsql
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written agreement
// is hereby granted, provided that the above copyright notice and this
// paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL NPGSQL BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// Npgsql HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// NPGSQL SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE.THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND Npgsql
// HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
// OR MODIFICATIONS.

using System.Text;
using JetBrains.Annotations;
using NpgsqlTypes;
using SnapObjects.Commons;

namespace SnapObjects.Data.PostgreSql
{
    public class PostgreSqlTsVectorTypeMapping : PostgreSqlTypeMapping
    {
        public PostgreSqlTsVectorTypeMapping([NotNull] string dbTypeName)
            : base(dbTypeName, typeof(NpgsqlTsVector), NpgsqlDbType.TsVector)
        {
        }

        protected override string GenerateNonNullSqlLiteral(object value)
        {
            Check.NotNull(value, nameof(value));
            var vector = (NpgsqlTsVector)value;
            var builder = new StringBuilder();
            builder.Append("TSVECTOR  ");
            var indexOfFirstQuote = builder.Length - 1;
            builder.Append(vector);
            builder.Replace("'", "''");
            builder[indexOfFirstQuote] = '\'';
            builder.Append("'");
            return builder.ToString();
        }

        public override TypeMapping Clone([NotNull] string dbTypeName, int? size)
        {
            return new PostgreSqlTsVectorTypeMapping(dbTypeName);
        }
    }
}
